tcpretrans.bt(8) System Manager's Manual tcpretrans.bt(8) (NAME) tcpretrans.bt - TCP bpftrace/eBPF (SYNOPSIS) tcpretrans.bt (DESCRIPTION) TCP TCP PID ( timeout ). (overhead) TCP . ( tcpdump(8) ). . tcp_retransmit_skb() tcp_send_loss_probe() . BPF (root) . (REQUIREMENTS) CONFIG_BPF bcc. CONFIG_BPF bpftrace. (EXAMPLES) TCP: # tcpretrans.bt (FIELDS) TIME HH:MM:SS. PID CPU . 0 . LADDR:LPORT IP . RADDR:RPORT IP . STATE TCP. (OVERHEAD) : TCP ( ) . (SOURCE) bpftrace . https://github.com/bpftrace/bpftrace bpftrace _examples.txt . bpftrace bcc . bcc . https://github.com/iovisor/bcc (OS) Linux (STABILITY) - . (AUTHOR) Brendan Gregg bpftrace Dale Hamel (SEE ALSO) tcpconnect.bt(8), tcpaccept.bt(8) USER COMMANDS 2018-11-24 tcpretrans.bt(8)